package com.yiruantong.common.translation.core.handler;

import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.SerializationConfig;
import com.fasterxml.jackson.databind.ser.BeanPropertyWriter;
import com.fasterxml.jackson.databind.ser.BeanSerializerModifier;

import java.util.List;

/**
 * Bean 序列化修改器 解决 Null 被单独处理问题
 *
 * @author YiRuanTong
 */
public class TranslationBeanSerializerModifier extends BeanSerializerModifier {

  @Override
  public List<BeanPropertyWriter> changeProperties(SerializationConfig config, BeanDescription beanDesc, List<BeanPropertyWriter> beanProperties) {
    for (BeanPropertyWriter writer : beanProperties) {
      // 如果序列化器为 TranslationHandler 的话 将 Null 值也交给他处理
      if (writer.getSerializer() instanceof TranslationHandler serializer) {
        writer.assignNullSerializer(serializer);
      }
    }
    return beanProperties;
  }

}
